Crack the quantitative aptitude section of Placement Test or Job Interview at any company with shortcuts & tricks on Ratio and Proportion. Extremely helpful to crack entrance exams like MBA, Banking – IBPS, SBI, UPSC, SSC, Railways etc.

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0:00 Quantitative Aptitude
16:16 What is 4th proportional in 9, 13 and 153?
17:31 Find the mean proportional between 7 and 63?
19:47 Income ratio of Ramesh and Suresh is 5:6. Their spending ratio is 7:9. Ramesh saves Rs. 4000 and Suresh saves Rs. 3000. Income and spending respectively of Ramesh and Suresh are?
23:09 a:b = 3:7 and b:c = 9:5. What is a:b:c?
28:55 numbers is 6:5. Ratio between 1st and 2nd numbers is 3:7. The 3rd number is? EASY
30:07 285 is summation of 3 numbers. Ratio between 2nd and 3rd
31:23 Ratio of two numbers is 3:8. On adding 5 to both numbers, the ratio becomes 2:5. Which is the smaller number out of the two?
32:48 Find A:B:C:D when A:B = 2:3 ; B:C = 7:9; C:D = 5:7
39:03 Price of each article of type P, Q, and Ris Rs. 300, Rs. 180 and Rs. 120 respectively. Suresh buys articles of each type in the ratio 3:2:3 in Rs. 6480. How many articles of type Q did he purchase?
41:43 Ajay and Raj together have Rs. 1050. On taking Rs. 150 from Ajay, Ajay will have same amount as what Raj had earlier. Find the ratio of amounts with Ajay and Raj initially.
48:08 (16) The three numbers are in the ratio The difference
49:37 The ratio of market prices of wheat and paddy is 2:3 and the
52:43 Rs. 8400 is divided among A, B, C and D in such a way that the shares of A and B, B and C, and C and D are in the ratios of 2:3, 4:5 and 6:7 respectively. The share of Ais
55:58 In a library, the ratio of number of story books to that of non story books was 4:3 and total number of story books was 1248. When some more story books were bought, the ratio became 5:3. Find the number of story books bought.